| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1213 OVERALL |
| PILOT DIAMETER | 0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM |
| PILOT LENGTH | 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT DIAMETER | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| NUT HEIGHT | 0.109 INCHES MINIMUM AND 0.132 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |